HP auroraTempo User Manual page 52

aurora Tempo - User Guide
The following table provides a key to the DDS display :
Display Status Description
Interface/Equipment
Type /Speed
LOS
(Loss of Signal)
LOF
(Loss of frame Sync.)
OOF
(Out of Frame)
OOS
(Out of Service)
Loop Back
BPV
Idle (CMI)
All 1s (DMI)
All 0s
Seal Curr
Sig. Level
4-4
DDS is displayed, followed by the equipment
CSU/DSU OCU
type: or and the clock
speed
Alarm indicates that no signal is present on
the line;
Clear indicates there is a signal present on
the line.
Alarm indicates that there is currently loss of
frame synchronization;
Clear indicates that there is frame
synchronization.
Alarm indicates that there is a problem with
the Synchronous Digital Data Service
Clear indicates that there is no problem with
Synchronous Digital Data Service
the
Alarm indicates that there is a problem with
the Synchronous Digital Data Service
Clear indicates that there is no problem with
the Synchronous Digital Data Service
Indicates the presence of a loop:
Local local loop applied at aurora
CSU CSU loop applied
DSU DSU loop applied
Displays the number of bipolar violations that
have occurred.
Indicates the presence of CMI idle bit patterns
Indicates the presence of all ones
Indicates the presence of all zeros
Displays the state of the sealing current -
Normal Reversed , or N one
Displays the signal level
;
Tempo
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